class GAParams(object):
    """description of class"""
    
    def __init__(self, cand_size = 20, max_iters = 100, crossover_method = None, crossover_prob = 0.0, mutation_method = None, mutation_prob = 0.0, selection_method = None, evol_strategy = None):
        """GA Data Type."""
        self.cand_size = cand_size
        self.max_iters = max_iters
        self.crossover_method = crossover_method
        self.crossover_prob = crossover_prob
        self.mutation_method = mutation_method
        self.mutation_prob = mutation_prob
        self.selection_method = selection_method
        self.evol_strategy = evol_strategy
